oldTor: Onion cells. Phase contrast. 59:1
oldTor: Potassium iodide crystal. Phase contrast. 59:1
oldTor: Potassium iodide crystal. Phase contrast. 15:1
oldTor: Amyloplasts, potato starch grains. Phase contrast & Polarization. 56:1
oldTor: Potassium iodide crystal. Phase contrast. 53:1
oldTor: Ovary of lilium. Fragment. Phase Contrast. 84:1
oldTor: Dandelion pollen. Phase contrast. 53:1
oldTor: Stomata of the epidermis of a dill stem. Phase contrast.
oldTor: Calcium oxalate crystals in garlic peel. Phase contrast. 123:1
oldTor: Potassium iodide crystal. Phase contrast
oldTor: Moss under a microscope. Phase Contrast 72:1
oldTor: Tardigrada. Phase Contrast 72:1
oldTor: Diatom algae. Phase contrast, monochrome.
oldTor: Diatoms under a microscope. Positive phase contrast. 123:1
oldTor: Living diatoms. Collage. Positive phase contrast